Cell culture bag



FIG. 1 is a front view of a cell culture bag showing my new design, a rear view being identical to the front view thereof;

FIG. 2 is a right side view thereof, a left side view being symmetrical to the right side view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a top perspective view thereof;

FIG. 6 is an enlarged cross-sectional view thereof along the line 6-6 in FIG. 3 ;

FIG. 7 is a partial enlarged view thereof taken from area 7 in FIG. 6 ; and,

FIG. 8 is a partial enlarged view thereof taken from area 8 in FIG. 6 .

The dashed broken lines, the areas within them, and the unshaded areas bounded by both dashed broken lines and solid lines depict portions of the cell culture bag that form no part of claimed design. The dotted broken lines depict boundaries of the claimed design that form no part thereof. The dot-dot-dash lines depict the boundaries of the enlarged views that form no part of the claimed design. 

CLAIM The ornamental design for a cell culture bag, as shown and described. 